package com.faryangsh.scheduleTask.ThreadPool;

import com.faryangsh.scheduleTask.TaskThreadPoolConfig;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

/**
 * Created by 杨志远 on 2017/6/6
 * email faryangsh@163.com.
 */
@Configuration
@EnableConfigurationProperties(TaskThreadPoolConfig.class)
public class TaskExecutePool{

    @Autowired
    private TaskThreadPoolConfig config;

    @Bean
    @ConditionalOnMissingBean
    public ThreadPoolTaskExecutor myTaskAsyncPool() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(config.getCorePoolSize());
        executor.setMaxPoolSize(config.getMaxPoolSize());
        executor.setQueueCapacity(config.getQueueCapacity());
        executor.setKeepAliveSeconds(config.getKeepAliveSeconds());
        executor.setThreadNamePrefix("MyExecutor-");

        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是由调用者所在的线程来执行
//        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
//        executor.initialize();
        return executor;
    }

    /*@Bean
    public ExecutorService asyncExecutor() {

        ExecutorService executorService = Executors.newFixedThreadPool(5);
        System.out.println(executorService.toString());
        return executorService;
    }*/

    /*@Bean(destroyMethod = "shutdown")
    public Executor taskScheduler() {
        *//*ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(config.getCorePoolSize());
        executor.setMaxPoolSize(config.getMaxPoolSize());
        executor.setQueueCapacity(config.getQueueCapacity());
        executor.setKeepAliveSeconds(config.getKeepAliveSeconds());
        executor.setThreadNamePrefix("MyExecutor-");
        return executor;*//*
//        ScheduledExecutorService ll=new ScheduledThreadPoolExecutor(5);


        ThreadFactory namedThreadFactory = new ThreadFactoryBuilder()
                .setNameFormat("my-sad-thread-%d").build();
        return Executors.newScheduledThreadPool(5,namedThreadFactory);
    }*/

}
